Respuesta :
					                   I think Topaz and Corundum 
Explanation:
Absolute hardness of each mineral:
Quartz 100
Topaz 200
Corundum 400
Diamond 1500
					                
					             Explanation:
Absolute hardness of each mineral:
Quartz 100
Topaz 200
Corundum 400
Diamond 1500
